<!doctype html>
<html>
<head>
    <meta charset='UTF-8'><meta name='viewport' content='width=device-width initial-scale=1'>

    <link href='https://fonts.loli.net/css?family=Open+Sans:400italic,700italic,700,400&subset=latin,latin-ext' rel='stylesheet' type='text/css' /><style type='text/css'>html {overflow-x: initial !important;}:root { --bg-color:#ffffff; --text-color:#333333; --select-text-bg-color:#B5D6FC; --select-text-font-color:auto; --monospace:"Lucida Console",Consolas,"Courier",monospace; --title-bar-height:20px; }
.mac-os-11 { --title-bar-height:28px; }
html { font-size: 14px; background-color: var(--bg-color); color: var(--text-color); font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; -webkit-font-smoothing: antialiased; }
body { margin: 0px; padding: 0px; height: auto; inset: 0px; font-size: 1rem; line-height: 1.42857; overflow-x: hidden; background: inherit; tab-size: 4; }
iframe { margin: auto; }
a.url { word-break: break-all; }
a:active, a:hover { outline: 0px; }
.in-text-selection, ::selection { text-shadow: none; background: var(--select-text-bg-color); color: var(--select-text-font-color); }
#write { margin: 0px auto; height: auto; width: inherit; word-break: normal; overflow-wrap: break-word; position: relative; white-space: normal; overflow-x: visible; padding-top: 36px; }
#write.first-line-indent p { text-indent: 2em; }
#write.first-line-indent li p, #write.first-line-indent p * { text-indent: 0px; }
#write.first-line-indent li { margin-left: 2em; }
.for-image #write { padding-left: 8px; padding-right: 8px; }
body.typora-export { padding-left: 30px; padding-right: 30px; }
.typora-export .footnote-line, .typora-export li, .typora-export p { white-space: pre-wrap; }
.typora-export .task-list-item input { pointer-events: none; }
@media screen and (max-width: 500px) {
    body.typora-export { padding-left: 0px; padding-right: 0px; }
    #write { padding-left: 20px; padding-right: 20px; }
    .CodeMirror-sizer { margin-left: 0px !important; }
    .CodeMirror-gutters { display: none !important; }
}
#write li > figure:last-child { margin-bottom: 0.5rem; }
#write ol, #write ul { position: relative; }
img { max-width: 100%; vertical-align: middle; image-orientation: from-image; }
button, input, select, textarea { color: inherit; font: inherit; }
input[type="checkbox"], input[type="radio"] { line-height: normal; padding: 0px; }
*, ::after, ::before { box-sizing: border-box; }
#write h1, #write h2, #write h3, #write h4, #write h5, #write h6, #write p, #write pre { width: inherit; }
#write h1, #write h2, #write h3, #write h4, #write h5, #write h6, #write p { position: relative; }
p { line-height: inherit; }
h1, h2, h3, h4, h5, h6 { break-after: avoid-page; break-inside: avoid; orphans: 4; }
p { orphans: 4; }
h1 { font-size: 2rem; }
h2 { font-size: 1.8rem; }
h3 { font-size: 1.6rem; }
h4 { font-size: 1.4rem; }
h5 { font-size: 1.2rem; }
h6 { font-size: 1rem; }
.md-math-block, .md-rawblock, h1, h2, h3, h4, h5, h6, p { margin-top: 1rem; margin-bottom: 1rem; }
.hidden { display: none; }
.md-blockmeta { color: rgb(204, 204, 204); font-weight: 700; font-style: italic; }
a { cursor: pointer; }
sup.md-footnote { padding: 2px 4px; background-color: rgba(238, 238, 238, 0.7); color: rgb(85, 85, 85); border-radius: 4px; cursor: pointer; }
sup.md-footnote a, sup.md-footnote a:hover { color: inherit; text-transform: inherit; text-decoration: inherit; }
#write input[type="checkbox"] { cursor: pointer; width: inherit; height: inherit; }
figure { overflow-x: auto; margin: 1.2em 0px; max-width: calc(100% + 16px); padding: 0px; }
figure > table { margin: 0px; }
tr { break-inside: avoid; break-after: auto; }
thead { display: table-header-group; }
table { border-collapse: collapse; border-spacing: 0px; width: 100%; overflow: auto; break-inside: auto; text-align: left; }
table.md-table td { min-width: 32px; }
.CodeMirror-gutters { border-right: 0px; background-color: inherit; }
.CodeMirror-linenumber { user-select: none; }
.CodeMirror { text-align: left; }
.CodeMirror-placeholder { opacity: 0.3; }
.CodeMirror pre { padding: 0px 4px; }
.CodeMirror-lines { padding: 0px; }
div.hr:focus { cursor: none; }
#write pre { white-space: pre-wrap; }
#write.fences-no-line-wrapping pre { white-space: pre; }
#write pre.ty-contain-cm { white-space: normal; }
.CodeMirror-gutters { margin-right: 4px; }
.md-fences { font-size: 0.9rem; display: block; break-inside: avoid; text-align: left; overflow: visible; white-space: pre; background: inherit; position: relative !important; }
.md-fences-adv-panel { width: 100%; margin-top: 10px; text-align: center; padding-top: 0px; padding-bottom: 8px; overflow-x: auto; }
#write .md-fences.mock-cm { white-space: pre-wrap; }
.md-fences.md-fences-with-lineno { padding-left: 0px; }
#write.fences-no-line-wrapping .md-fences.mock-cm { white-space: pre; overflow-x: auto; }
.md-fences.mock-cm.md-fences-with-lineno { padding-left: 8px; }
.CodeMirror-line, twitterwidget { break-inside: avoid; }
.footnotes { opacity: 0.8; font-size: 0.9rem; margin-top: 1em; margin-bottom: 1em; }
.footnotes + .footnotes { margin-top: 0px; }
.md-reset { margin: 0px; padding: 0px; border: 0px; outline: 0px; vertical-align: top; background: 0px 0px; text-decoration: none; text-shadow: none; float: none; position: static; width: auto; height: auto; white-space: nowrap; cursor: inherit; -webkit-tap-highlight-color: transparent; line-height: normal; font-weight: 400; text-align: left; box-sizing: content-box; direction: ltr; }
li div { padding-top: 0px; }
blockquote { margin: 1rem 0px; }
li .mathjax-block, li p { margin: 0.5rem 0px; }
li blockquote { margin: 1rem 0px; }
li { margin: 0px; position: relative; }
blockquote > :last-child { margin-bottom: 0px; }
blockquote > :first-child, li > :first-child { margin-top: 0px; }
.footnotes-area { color: rgb(136, 136, 136); margin-top: 0.714rem; padding-bottom: 0.143rem; white-space: normal; }
#write .footnote-line { white-space: pre-wrap; }
@media print {
    body, html { border: 1px solid transparent; height: 99%; break-after: avoid; break-before: avoid; font-variant-ligatures: no-common-ligatures; }
    #write { margin-top: 0px; padding-top: 0px; border-color: transparent !important; }
    .typora-export * { -webkit-print-color-adjust: exact; }
    .typora-export #write { break-after: avoid; }
    .typora-export #write::after { height: 0px; }
    .is-mac table { break-inside: avoid; }
    .typora-export-show-outline .typora-export-sidebar { display: none; }
}
.footnote-line { margin-top: 0.714em; font-size: 0.7em; }
a img, img a { cursor: pointer; }
pre.md-meta-block { font-size: 0.8rem; min-height: 0.8rem; white-space: pre-wrap; background: rgb(204, 204, 204); display: block; overflow-x: hidden; }
p > .md-image:only-child:not(.md-img-error) img, p > img:only-child { display: block; margin: auto; }
#write.first-line-indent p > .md-image:only-child:not(.md-img-error) img { left: -2em; position: relative; }
p > .md-image:only-child { display: inline-block; width: 100%; }
#write .MathJax_Display { margin: 0.8em 0px 0px; }
.md-math-block { width: 100%; }
.md-math-block:not(:empty)::after { display: none; }
.MathJax_ref { fill: currentcolor; }
[contenteditable="true"]:active, [contenteditable="true"]:focus, [contenteditable="false"]:active, [contenteditable="false"]:focus { outline: 0px; box-shadow: none; }
.md-task-list-item { position: relative; list-style-type: none; }
.task-list-item.md-task-list-item { padding-left: 0px; }
.md-task-list-item > input { position: absolute; top: 0px; left: 0px; margin-left: -1.2em; margin-top: calc(1em - 10px); border: none; }
.math { font-size: 1rem; }
.md-toc { min-height: 3.58rem; position: relative; font-size: 0.9rem; border-radius: 10px; }
.md-toc-content { position: relative; margin-left: 0px; }
.md-toc-content::after, .md-toc::after { display: none; }
.md-toc-item { display: block; color: rgb(65, 131, 196); }
.md-toc-item a { text-decoration: none; }
.md-toc-inner:hover { text-decoration: underline; }
.md-toc-inner { display: inline-block; cursor: pointer; }
.md-toc-h1 .md-toc-inner { margin-left: 0px; font-weight: 700; }
.md-toc-h2 .md-toc-inner { margin-left: 2em; }
.md-toc-h3 .md-toc-inner { margin-left: 4em; }
.md-toc-h4 .md-toc-inner { margin-left: 6em; }
.md-toc-h5 .md-toc-inner { margin-left: 8em; }
.md-toc-h6 .md-toc-inner { margin-left: 10em; }
@media screen and (max-width: 48em) {
    .md-toc-h3 .md-toc-inner { margin-left: 3.5em; }
    .md-toc-h4 .md-toc-inner { margin-left: 5em; }
    .md-toc-h5 .md-toc-inner { margin-left: 6.5em; }
    .md-toc-h6 .md-toc-inner { margin-left: 8em; }
}
a.md-toc-inner { font-size: inherit; font-style: inherit; font-weight: inherit; line-height: inherit; }
.footnote-line a:not(.reversefootnote) { color: inherit; }
.md-attr { display: none; }
.md-fn-count::after { content: "."; }
code, pre, samp, tt { font-family: var(--monospace); }
kbd { margin: 0px 0.1em; padding: 0.1em 0.6em; font-size: 0.8em; color: rgb(36, 39, 41); background: rgb(255, 255, 255); border: 1px solid rgb(173, 179, 185); border-radius: 3px; box-shadow: rgba(12, 13, 14, 0.2) 0px 1px 0px, rgb(255, 255, 255) 0px 0px 0px 2px inset; white-space: nowrap; vertical-align: middle; }
.md-comment { color: rgb(162, 127, 3); opacity: 0.6; font-family: var(--monospace); }
code { text-align: left; vertical-align: initial; }
a.md-print-anchor { white-space: pre !important; border-width: initial !important; border-style: none !important; border-color: initial !important; display: inline-block !important; position: absolute !important; width: 1px !important; right: 0px !important; outline: 0px !important; background: 0px 0px !important; text-decoration: initial !important; text-shadow: initial !important; }
.os-windows.monocolor-emoji .md-emoji { font-family: "Segoe UI Symbol", sans-serif; }
.md-diagram-panel > svg { max-width: 100%; }
[lang="flow"] svg, [lang="mermaid"] svg { max-width: 100%; height: auto; }
[lang="mermaid"] .node text { font-size: 1rem; }
table tr th { border-bottom: 0px; }
video { max-width: 100%; display: block; margin: 0px auto; }
iframe { max-width: 100%; width: 100%; border: none; }
.highlight td, .highlight tr { border: 0px; }
mark { background: rgb(255, 255, 0); color: rgb(0, 0, 0); }
.md-html-inline .md-plain, .md-html-inline strong, mark .md-inline-math, mark strong { color: inherit; }
.md-expand mark .md-meta { opacity: 0.3 !important; }
mark .md-meta { color: rgb(0, 0, 0); }
@media print {
    .typora-export h1, .typora-export h2, .typora-export h3, .typora-export h4, .typora-export h5, .typora-export h6 { break-inside: avoid; }
}
.md-diagram-panel .messageText { stroke: none !important; }
.md-diagram-panel .start-state { fill: var(--node-fill); }
.md-diagram-panel .edgeLabel rect { opacity: 1 !important; }
.md-fences.md-fences-math { font-size: 1em; }
.md-fences-advanced:not(.md-focus) { padding: 0px; white-space: nowrap; border: 0px; }
.md-fences-advanced:not(.md-focus) { background: inherit; }
.typora-export-show-outline .typora-export-content { max-width: 1440px; margin: auto; display: flex; flex-direction: row; }
.typora-export-sidebar { width: 300px; font-size: 0.8rem; margin-top: 80px; margin-right: 18px; }
.typora-export-show-outline #write { --webkit-flex:2; flex: 2 1 0%; }
.typora-export-sidebar .outline-content { position: fixed; top: 0px; max-height: 100%; overflow: hidden auto; padding-bottom: 30px; padding-top: 60px; width: 300px; }
@media screen and (max-width: 1024px) {
    .typora-export-sidebar, .typora-export-sidebar .outline-content { width: 240px; }
}
@media screen and (max-width: 800px) {
    .typora-export-sidebar { display: none; }
}
.outline-content li, .outline-content ul { margin-left: 0px; margin-right: 0px; padding-left: 0px; padding-right: 0px; list-style: none; }
.outline-content ul { margin-top: 0px; margin-bottom: 0px; }
.outline-content strong { font-weight: 400; }
.outline-expander { width: 1rem; height: 1.42857rem; position: relative; display: table-cell; vertical-align: middle; cursor: pointer; padding-left: 4px; }
.outline-expander::before { content: ""; position: relative; font-family: Ionicons; display: inline-block; font-size: 8px; vertical-align: middle; }
.outline-item { padding-top: 3px; padding-bottom: 3px; cursor: pointer; }
.outline-expander:hover::before { content: ""; }
.outline-h1 > .outline-item { padding-left: 0px; }
.outline-h2 > .outline-item { padding-left: 1em; }
.outline-h3 > .outline-item { padding-left: 2em; }
.outline-h4 > .outline-item { padding-left: 3em; }
.outline-h5 > .outline-item { padding-left: 4em; }
.outline-h6 > .outline-item { padding-left: 5em; }
.outline-label { cursor: pointer; display: table-cell; vertical-align: middle; text-decoration: none; color: inherit; }
.outline-label:hover { text-decoration: underline; }
.outline-item:hover { border-color: rgb(245, 245, 245); background-color: var(--item-hover-bg-color); }
.outline-item:hover { margin-left: -28px; margin-right: -28px; border-left: 28px solid transparent; border-right: 28px solid transparent; }
.outline-item-single .outline-expander::before, .outline-item-single .outline-expander:hover::before { display: none; }
.outline-item-open > .outline-item > .outline-expander::before { content: ""; }
.outline-children { display: none; }
.info-panel-tab-wrapper { display: none; }
.outline-item-open > .outline-children { display: block; }
.typora-export .outline-item { padding-top: 1px; padding-bottom: 1px; }
.typora-export .outline-item:hover { margin-right: -8px; border-right: 8px solid transparent; }
.typora-export .outline-expander::before { content: "+"; font-family: inherit; top: -1px; }
.typora-export .outline-expander:hover::before, .typora-export .outline-item-open > .outline-item > .outline-expander::before { content: "−"; }
.typora-export-collapse-outline .outline-children { display: none; }
.typora-export-collapse-outline .outline-item-open > .outline-children, .typora-export-no-collapse-outline .outline-children { display: block; }
.typora-export-no-collapse-outline .outline-expander::before { content: "" !important; }
.typora-export-show-outline .outline-item-active > .outline-item .outline-label { font-weight: 700; }
.md-inline-math-container mjx-container { zoom: 0.95; }


.CodeMirror { height: auto; }
.CodeMirror.cm-s-inner { background: inherit; }
.CodeMirror-scroll { overflow: auto hidden; z-index: 3; }
.CodeMirror-gutter-filler, .CodeMirror-scrollbar-filler { background-color: rgb(255, 255, 255); }
.CodeMirror-gutters { border-right: 1px solid rgb(221, 221, 221); background: inherit; white-space: nowrap; }
.CodeMirror-linenumber { padding: 0px 3px 0px 5px; text-align: right; color: rgb(153, 153, 153); }
.cm-s-inner .cm-keyword { color: rgb(119, 0, 136); }
.cm-s-inner .cm-atom, .cm-s-inner.cm-atom { color: rgb(34, 17, 153); }
.cm-s-inner .cm-number { color: rgb(17, 102, 68); }
.cm-s-inner .cm-def { color: rgb(0, 0, 255); }
.cm-s-inner .cm-variable { color: rgb(0, 0, 0); }
.cm-s-inner .cm-variable-2 { color: rgb(0, 85, 170); }
.cm-s-inner .cm-variable-3 { color: rgb(0, 136, 85); }
.cm-s-inner .cm-string { color: rgb(170, 17, 17); }
.cm-s-inner .cm-property { color: rgb(0, 0, 0); }
.cm-s-inner .cm-operator { color: rgb(152, 26, 26); }
.cm-s-inner .cm-comment, .cm-s-inner.cm-comment { color: rgb(170, 85, 0); }
.cm-s-inner .cm-string-2 { color: rgb(255, 85, 0); }
.cm-s-inner .cm-meta { color: rgb(85, 85, 85); }
.cm-s-inner .cm-qualifier { color: rgb(85, 85, 85); }
.cm-s-inner .cm-builtin { color: rgb(51, 0, 170); }
.cm-s-inner .cm-bracket { color: rgb(153, 153, 119); }
.cm-s-inner .cm-tag { color: rgb(17, 119, 0); }
.cm-s-inner .cm-attribute { color: rgb(0, 0, 204); }
.cm-s-inner .cm-header, .cm-s-inner.cm-header { color: rgb(0, 0, 255); }
.cm-s-inner .cm-quote, .cm-s-inner.cm-quote { color: rgb(0, 153, 0); }
.cm-s-inner .cm-hr, .cm-s-inner.cm-hr { color: rgb(153, 153, 153); }
.cm-s-inner .cm-link, .cm-s-inner.cm-link { color: rgb(0, 0, 204); }
.cm-negative { color: rgb(221, 68, 68); }
.cm-positive { color: rgb(34, 153, 34); }
.cm-header, .cm-strong { font-weight: 700; }
.cm-del { text-decoration: line-through; }
.cm-em { font-style: italic; }
.cm-link { text-decoration: underline; }
.cm-error { color: red; }
.cm-invalidchar { color: red; }
.cm-constant { color: rgb(38, 139, 210); }
.cm-defined { color: rgb(181, 137, 0); }
div.CodeMirror span.CodeMirror-matchingbracket { color: rgb(0, 255, 0); }
div.CodeMirror span.CodeMirror-nonmatchingbracket { color: rgb(255, 34, 34); }
.cm-s-inner .CodeMirror-activeline-background { background: inherit; }
.CodeMirror { position: relative; overflow: hidden; }
.CodeMirror-scroll { height: 100%; outline: 0px; position: relative; box-sizing: content-box; background: inherit; }
.CodeMirror-sizer { position: relative; }
.CodeMirror-gutter-filler, .CodeMirror-hscrollbar, .CodeMirror-scrollbar-filler, .CodeMirror-vscrollbar { position: absolute; z-index: 6; display: none; outline: 0px; }
.CodeMirror-vscrollbar { right: 0px; top: 0px; overflow: hidden; }
.CodeMirror-hscrollbar { bottom: 0px; left: 0px; overflow: auto hidden; }
.CodeMirror-scrollbar-filler { right: 0px; bottom: 0px; }
.CodeMirror-gutter-filler { left: 0px; bottom: 0px; }
.CodeMirror-gutters { position: absolute; left: 0px; top: 0px; padding-bottom: 10px; z-index: 3; overflow-y: hidden; }
.CodeMirror-gutter { white-space: normal; height: 100%; box-sizing: content-box; padding-bottom: 30px; margin-bottom: -32px; display: inline-block; }
.CodeMirror-gutter-wrapper { position: absolute; z-index: 4; background: 0px 0px !important; border: none !important; }
.CodeMirror-gutter-background { position: absolute; top: 0px; bottom: 0px; z-index: 4; }
.CodeMirror-gutter-elt { position: absolute; cursor: default; z-index: 4; }
.CodeMirror-lines { cursor: text; }
.CodeMirror pre { border-radius: 0px; border-width: 0px; background: 0px 0px; font-family: inherit; font-size: inherit; margin: 0px; white-space: pre; overflow-wrap: normal; color: inherit; z-index: 2; position: relative; overflow: visible; }
.CodeMirror-wrap pre { overflow-wrap: break-word; white-space: pre-wrap; word-break: normal; }
.CodeMirror-code pre { border-right: 30px solid transparent; width: fit-content; }
.CodeMirror-wrap .CodeMirror-code pre { border-right: none; width: auto; }
.CodeMirror-linebackground { position: absolute; inset: 0px; z-index: 0; }
.CodeMirror-linewidget { position: relative; z-index: 2; overflow: auto; }
.CodeMirror-wrap .CodeMirror-scroll { overflow-x: hidden; }
.CodeMirror-measure { position: absolute; width: 100%; height: 0px; overflow: hidden; visibility: hidden; }
.CodeMirror-measure pre { position: static; }
.CodeMirror div.CodeMirror-cursor { position: absolute; visibility: hidden; border-right: none; width: 0px; }
.CodeMirror div.CodeMirror-cursor { visibility: hidden; }
.CodeMirror-focused div.CodeMirror-cursor { visibility: inherit; }
.cm-searching { background: rgba(255, 255, 0, 0.4); }
span.cm-underlined { text-decoration: underline; }
span.cm-strikethrough { text-decoration: line-through; }
.cm-tw-syntaxerror { color: rgb(255, 255, 255); background-color: rgb(153, 0, 0); }
.cm-tw-deleted { text-decoration: line-through; }
.cm-tw-header5 { font-weight: 700; }
.cm-tw-listitem:first-child { padding-left: 10px; }
.cm-tw-box { border-style: solid; border-right-width: 1px; border-bottom-width: 1px; border-left-width: 1px; border-color: inherit; border-top-width: 0px !important; }
.cm-tw-underline { text-decoration: underline; }
@media print {
    .CodeMirror div.CodeMirror-cursor { visibility: hidden; }
}


:root {
    --side-bar-bg-color: #fafafa;
    --control-text-color: #777;
}

@include-when-export url(https://fonts.loli.net/css?family=Open+Sans:400italic,700italic,700,400&subset=latin,latin-ext);

/* open-sans-regular - latin-ext_latin */
/* open-sans-italic - latin-ext_latin */
/* open-sans-700 - latin-ext_latin */
/* open-sans-700italic - latin-ext_latin */
html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: "Open Sans","Clear Sans", "Helvetica Neue", Helvetica, Arial, 'Segoe UI Emoji', sans-serif;
    color: rgb(51, 51, 51);
    line-height: 1.6;
}

#write {
    max-width: 860px;
    margin: 0 auto;
    padding: 30px;
    padding-bottom: 100px;
}

@media only screen and (min-width: 1400px) {
    #write {
        max-width: 1024px;
    }
}

@media only screen and (min-width: 1800px) {
    #write {
        max-width: 1200px;
    }
}

#write > ul:first-child,
#write > ol:first-child{
    margin-top: 30px;
}

a {
    color: #4183C4;
}
h1,
h2,
h3,
h4,
h5,
h6 {
    position: relative;
    margin-top: 1rem;
    margin-bottom: 1rem;
    font-weight: bold;
    line-height: 1.4;
    cursor: text;
}
h1:hover a.anchor,
h2:hover a.anchor,
h3:hover a.anchor,
h4:hover a.anchor,
h5:hover a.anchor,
h6:hover a.anchor {
    text-decoration: none;
}
h1 tt,
h1 code {
    font-size: inherit;
}
h2 tt,
h2 code {
    font-size: inherit;
}
h3 tt,
h3 code {
    font-size: inherit;
}
h4 tt,
h4 code {
    font-size: inherit;
}
h5 tt,
h5 code {
    font-size: inherit;
}
h6 tt,
h6 code {
    font-size: inherit;
}
h1 {
    font-size: 2.25em;
    line-height: 1.2;
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</style><title>note</title>
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<body class='typora-export os-windows'><div class='typora-export-content'>
    <div id='write'  class=''><div class='md-toc' mdtype='toc'><p class="md-toc-content" role="list"><span role="listitem" class="md-toc-item md-toc-h1" data-ref="n3"><a class="md-toc-inner" href="#随堂笔记">随堂笔记</a></span><span role="listitem" class="md-toc-item md-toc-h1" data-ref="n5"><a class="md-toc-inner" href="#笔记乱码问题">笔记乱码问题</a></span><span role="listitem" class="md-toc-item md-toc-h1" data-ref="n16"><a class="md-toc-inner" href="#课程安排17到18天">课程安排(17到18天)</a></span><span role="listitem" class="md-toc-item md-toc-h1" data-ref="n36"><a class="md-toc-inner" href="#开发环境">开发环境</a></span><span role="listitem" class="md-toc-item md-toc-h1" data-ref="n71"><a class="md-toc-inner" href="#常用地址">常用地址</a></span><span role="listitem" class="md-toc-item md-toc-h1" data-ref="n90"><a class="md-toc-inner" href="#spring-cloud-netflix">Spring Cloud Netflix</a></span><span role="listitem" class="md-toc-item md-toc-h1" data-ref="n136"><a class="md-toc-inner" href="#eureka">eureka</a></span><span role="listitem" class="md-toc-item md-toc-h1" data-ref="n189"><a class="md-toc-inner" href="#高可用">高可用</a></span><span role="listitem" class="md-toc-item md-toc-h1" data-ref="n199"><a class="md-toc-inner" href="#04调用0203">04调用02、03</a></span><span role="listitem" class="md-toc-item md-toc-h1" data-ref="n243"><a class="md-toc-inner" href="#zuul-api-网关">Zuul API 网关</a></span><span role="listitem" class="md-toc-item md-toc-h1" data-ref="n358"><a class="md-toc-inner" href="#hystrix-dashboard">Hystrix dashboard</a></span><span role="listitem" class="md-toc-item md-toc-h1" data-ref="n422"><a class="md-toc-inner" href="#vmware">VMware</a></span><span role="listitem" class="md-toc-item md-toc-h1" data-ref="n474"><a class="md-toc-inner" href="#离线安装--docker">离线安装  Docker</a></span><span role="listitem" class="md-toc-item md-toc-h1" data-ref="n485"><a class="md-toc-inner" href="#配置中心">配置中心 </a></span><span role="listitem" class="md-toc-item md-toc-h1" data-ref="n585"><a class="md-toc-inner" href="#rabbitmq">Rabbitmq</a></span><span role="listitem" class="md-toc-item md-toc-h1" data-ref="n613"><a class="md-toc-inner" href="#bus-配置刷新">Bus 配置刷新</a></span><span role="listitem" class="md-toc-item md-toc-h1" data-ref="n617"><a class="md-toc-inner" href="#链路跟踪">链路跟踪</a></span><span role="listitem" class="md-toc-item md-toc-h1" data-ref="n1657"><a class="md-toc-inner" href="#向注册中心注册时选择正确网卡注册ip地址">向注册中心注册时，选择正确网卡，注册ip地址</a></span><span role="listitem" class="md-toc-item md-toc-h1" data-ref="n1624"><a class="md-toc-inner" href="#订单流量削峰">订单流量削峰</a></span></p></div><p>&nbsp;</p><h1 id='随堂笔记'><span>随堂笔记</span></h1><p><span>这是随堂笔记, 详细内容请参考在线笔记:</span>
        <a href='https://blog.csdn.net/weixin_38305440' target='_blank' class='url'>https://blog.csdn.net/weixin_38305440</a></p><h1 id='笔记乱码问题'><span>笔记乱码问题</span></h1><p>&nbsp;</p><p><img src="note.assets/image-20200613174552258.png" referrerpolicy="no-referrer" alt="image-20200613174552258"></p><video id="video" controls="" preload="none">
        <source id="mp4" src="note.assets/a.mp4" type="video/mp4">
    </video><p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p><h1 id='课程安排17到18天'><span>课程安排(17到18天)</span></h1><ol start='' ><li><span>Spring Cloud Netflix（6）</span></li><li><span>RabbitMQ（2）</span></li><li><span>分布式事务（3）</span></li><li><span>RocketMQ（1）</span></li><li><span>Docker（2）</span></li><li><span>Elasticsearch</span></li><li><span>Kubernetes（3）</span></li></ol><p>&nbsp;</p><p><span>王海涛</span></p><p>&nbsp;</p><p>&nbsp;</p><h1 id='开发环境'><span>开发环境</span></h1><ul><li><p><span>IDEA</span></p></li><li><p><span>Lombok</span></p></li><li><p><span>EditStarters</span></p></li><li><p><span>Free MyBatis Plugin</span></p></li><li><p><span>Maven Helper</span></p></li><li><p><span>Maven</span></p><ul><li><p><span>使用阿里仓库和中央仓库，来回切换更新</span></p><ul><li><span>settings.xml 不配置任何镜像仓库，默认使用中央仓库</span></li></ul></li><li><p><span>找到本地仓库的依赖包，删除后重新更新</span></p></li><li><p><span>复制同学的本地仓库中的依赖包</span></p></li></ul></li><li><p><span>新工程的  Maven 默认配置：</span></p><ul><li><span>File - New Projects Settings - Settings for new projects</span></li></ul></li><li><p><span>springboot版本：  2.3.2.RELEASE</span></p></li><li><p><span>springcloud版本： Hoxton.SR12</span></p></li></ul><p>&nbsp;</p><p>&nbsp;</p><h1 id='常用地址'><span>常用地址</span></h1><p><span>提问：</span></p><ul><li><span>直播聊天</span></li><li><span>微信： wanght6666666</span></li></ul><p><span>笔记</span></p><p><a href='http://wanght.blog.csdn.net' target='_blank' class='url'>http://wanght.blog.csdn.net</a></p><p><a href='https://blog.csdn.net/weixin_38305440/article/details/108609574' target='_blank' class='url'>https://blog.csdn.net/weixin_38305440/article/details/108609574</a></p><p>&nbsp;</p><p><span>随堂笔记</span></p><p><a href='http://code.tarena.com.cn/CGBCode/cgb2106/' target='_blank' class='url'>http://code.tarena.com.cn/CGBCode/cgb2106/</a></p><p>&nbsp;</p><p><span>Gitee代码仓库</span></p><p><a href='https://gitee.com/benwang6/cgb2106' target='_blank' class='url'>https://gitee.com/benwang6/cgb2106</a></p><p>&nbsp;</p><p><span>课前资料，百度网盘:</span>
        <a href='https://pan.baidu.com/s/19tOuVOYJsplssj3kLvfzcA' target='_blank' class='url'>https://pan.baidu.com/s/19tOuVOYJsplssj3kLvfzcA</a></p><p>&nbsp;</p><h1 id='spring-cloud-netflix'><span>Spring Cloud Netflix</span></h1><p>&nbsp;</p><ul><li><p><span>注册中心</span></p><ul><li><span>Nacos</span></li><li><span>Eureka</span></li></ul></li><li><p><span>配置中心</span></p><ul><li><span>Nacos</span></li><li><span>Spring Cloud Config</span></li></ul></li><li><p><span>远程调用、负载均衡</span></p><ul><li><span>Feign、Ribbon</span></li></ul></li><li><p><span>系统容错、限流</span></p><ul><li><span>Sentinel</span></li><li><span>Hystrix</span></li></ul></li><li><p><span>API网关</span></p><ul><li><span>Spring Cloud Gateway</span></li><li><span>Zuul</span></li></ul></li><li><p><span>数据监控</span></p><ul><li><span>Sentinel</span></li><li><span>Hystrix Dashboard+Turbine</span></li><li><span>链路跟踪监控：Sleuth+Zipkin</span></li></ul></li></ul><p>&nbsp;</p><h1 id='eureka'><span>eureka</span></h1><p><span>服务的注册和发现</span></p><p>&nbsp;</p><p><strong><span>搭建eureka注册中心服务器</span></strong></p><ol start='' ><li><p><span>新建 module： sp05-eureka</span></p></li><li><p><span>调整pom.xml</span></p><ul><li><span>父项目</span></li><li><span>添加 eureka server 依赖</span></li></ul></li><li><p><span>yml</span></p><ul><li><span>关闭自我保护模式</span></li><li><span>主机名</span></li><li><span>针对单台服务器，不向自己注册，不从自己拉取</span></li></ul></li><li><p><span>启动类注解：</span><code>@EnableEurekaServer</code><span> 触发 eureka 服务器的自动配置</span></p></li></ol><p>&nbsp;</p><p><strong><span>eureka四条运行机制</span></strong></p><ol start='' ><li><p><span>客户端启动时，会反复连接注册中心尝试注册，直到注册成功为止</span></p></li><li><p><span>客户端每30秒发送一次心跳数据，服务器连续3次收不到一个服务的心跳，会删除它的注册信息</span></p></li><li><p><span>客户端每30秒拉取一次注册表，刷新本地注册表缓存</span></p></li><li><p><span>自我保护模式</span></p><ul><li><span>由于网络中断，15分钟内，85%服务器出现心跳异常，自动进入保护模式，</span>
        <span>自我保护模式下所有的注册信息都不删除</span></li><li><span>网络恢复后，自动退出保护模式</span></li><li><span>开发调试期间，可以关闭保护模式，避免影响调试</span></li></ul></li></ol><p>&nbsp;</p><p><strong><span>客户端连接 eureka 注册中心</span></strong></p><p><span>修改 2,3,4 项目</span></p><ol start='' ><li><p><span>添加 eureka client 依赖</span></p></li><li><p><span>yml</span></p><p><span>eureka连接地址： </span><a href='http://eureka1:2001/eureka' target='_blank' class='url'>http://eureka1:2001/eureka</a></p></li></ol><p>&nbsp;</p><h1 id='高可用'><span>高可用</span></h1><p><strong><span>02商品服务</span></strong></p><ol start='' ><li><span>右键点击02的启动配置</span>
        <span>或者点上面的启动配置下拉菜单</span>
        <span>选择 “Edit Configuration”</span></li><li><span>对02创建两个启动配置，设置启动参数</span><code>--server.port=xxxx</code></li></ol><p>&nbsp;</p><p><strong><span>05eureka注册中心</span></strong></p><p>&nbsp;</p><h1 id='04调用0203'><span>04调用02、03</span></h1><ol start='' ><li><p><span>在 04 的 pom.xml 添加依赖： openfeign</span></p></li><li><p><span>启动类添加注解：</span><code>@EnableFeignClients</code><span> 触发Feign的自动配置</span></p></li><li><p><span>定义远程调用接口：</span></p><ul><li><span>ItemClient</span></li><li><span>UserClient</span></li></ul></li><li><p><span>OrderServiceImpl，实现远程调用</span></p></li></ol><p>&nbsp;</p><p><strong><span>Feign 集成 Ribbon 负载均衡和重试</span></strong></p><ul><li><span>Feign集成Ribbon，默认实现了负载均衡和重试</span></li></ul><p>&nbsp;</p><p><strong><span>Ribbon的重试</span></strong></p><p><span>远程调用失败，可以自动发起重试调用</span></p><ul><li><span>异常</span></li><li><span>服务器宕机</span></li><li><span>后台服务阻塞超时</span></li></ul><p>&nbsp;</p><p><span>重试参数：</span></p><ul><li><span>MaxAutoRetries - 单台服务器的重试次数，模式0</span></li><li><span>MaxAutoRetriesNextServer - 更换服务器的次数，默认1</span></li><li><span>ReadTimeout - 等待响应的超时时间，默认1000</span></li><li><span>OkToRetryOnAllOperations - 是否对所有类型请求都重试，默认只对GET请求重试</span></li><li><span>ConnectTimeout - 与后台服务器建立连接的等待超时时间，默认1000</span></li></ul><p>&nbsp;</p><h1 id='zuul-api-网关'><span>Zuul API 网关</span></h1><ol start='' ><li><span>统一的访问入口</span></li><li><span>统一的权限校验</span></li><li><span>集成 Ribbon 负载均衡和重试</span></li><li><span>集成 Hystrix 容错和限流</span></li></ol><p>&nbsp;</p><p><strong><span>统一的访问入口</span></strong></p><ol start='' ><li><p><span>新建模块： sp06-zuul</span></p></li><li><p><span>添加依赖：</span></p><ul><li><span>eureka client</span></li><li><span>zuul</span></li><li><span>sp01</span></li></ul></li><li><p><span>yml 配置路由转发规则</span></p><pre class="md-fences md-end-block ty-contain-cm modeLoaded" spellcheck="false" lang="yml"><div class="CodeMirror cm-s-inner cm-s-null-scroll CodeMirror-wrap" lang="yml"><div style="overflow: hidden; position: relative; width: 3px; height: 0px; top: 9.45833px; left: 7.98611px;"><textarea autocorrect="off" autocapitalize="off" spellcheck="false" tabindex="0" style="position: absolute; bottom: -1em; padding: 0px; width: 1000px; height: 1em; outline: none;"></textarea></div><div class="CodeMirror-scrollbar-filler" cm-not-content="true"></div><div class="CodeMirror-gutter-filler" cm-not-content="true"></div><div class="CodeMirror-scroll" tabindex="-1"><div class="CodeMirror-sizer" style="margin-left: 0px; margin-bottom: 0px; border-right-width: 0px; padding-right: 0px; padding-bottom: 0px;"><div style="position: relative; top: 0px;"><div class="CodeMirror-lines" role="presentation"><div role="presentation" style="position: relative; outline: none;"><div class="CodeMirror-measure"><span><span>​</span>x</span></div><div class="CodeMirror-measure"></div><div style="position: relative; z-index: 1;"></div><div class="CodeMirror-code" role="presentation" style=""><div class="CodeMirror-activeline" style="position: relative;"><div class="CodeMirror-activeline-background CodeMirror-linebackground"></div><div class="CodeMirror-gutter-background CodeMirror-activeline-gutter" style="left: 0px; width: 0px;"></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-comment">#  **包含深层路径</span></span></pre></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-comment">#  * 只包含一层路径</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text="" cm-zwsp="">
</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-comment"># 服务id设置成访问子路径，是默认规则，</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-comment"># zuul根据注册表的注册信息完成自动配置</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-comment"># 最好手动配置，防止注册表不全</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-atom">zuul</span><span class="cm-meta">:</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-atom">  routes</span><span class="cm-meta">:</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-atom"> &nbsp;  item-service</span><span class="cm-meta">: </span>/item-service/**</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-atom"> &nbsp;  user-service</span><span class="cm-meta">: </span>/user-service/**</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-atom"> &nbsp;  order-service</span><span class="cm-meta">: </span>/order-service/**</span></pre></div></div></div></div></div><div style="position: absolute; height: 0px; width: 1px; border-bottom: 0px solid transparent; top: 252px;"></div><div class="CodeMirror-gutters" style="display: none; height: 252px;"></div></div></div></pre></li><li><p><span>启动类添加注解 </span><code>@EnableZuulProxy</code></p></li></ol><p>&nbsp;</p><p><strong><span>zuul统一权限校验</span></strong></p><p><a href='http://localhost:3001/item-service/t45t4' target='_blank' class='url'>http://localhost:3001/item-service/t45t4</a><span>    没有登录不能访问</span></p><p>&nbsp;</p><p><a href='http://localhost:3001/item-service/t45t4?token=65345rt' target='_blank' class='url'>http://localhost:3001/item-service/t45t4?token=65345rt</a><span>    已经登录过，可以访问</span></p><ol start='' ><li><span>新建 ZuulFilter 子类</span></li><li><span>按 zuul 的规则实现</span></li><li><span>添加 </span><code>@Component</code><span> 注解</span></li></ol><p><span>zuul 的自动配置类可以在 spring 容器中自动发现过滤器实例，完成自动配置</span></p><p>&nbsp;</p><p><strong><span>zuul集成Ribbon</span></strong></p><ul><li><p><span>默认启用了负载均衡</span></p></li><li><p><span>默认没有启用重试</span></p><ul><li><span>在入口位置进行重试，会造成后台大面积服务压力翻倍，可能造成故障传播、雪崩</span></li></ul></li></ul><p>&nbsp;</p><ul><li><p><span>zuul启用重试（不推荐）</span></p><ol start='' ><li><span>添加 spring-retry 依赖</span></li><li><span>yml配置 </span><code>zuul.retryable=true</code></li><li><span>配置重试参数（可选）</span></li></ol></li></ul><p>&nbsp;</p><p><strong><span>zuul集成 Hystrix</span></strong></p><p><span>Hystrix是容错和限流工具</span></p><ul><li><p><span>容错 -- 降级</span></p><p><span>调用后台服务出错（异常，阻塞，服务崩溃），可以执行当前服务的一段代码，直接向客户端返回降级结果</span></p><ul><li><span>错误提示</span></li><li><span>缓存的结果</span></li><li><span>根据业务逻辑，返回任意的结果</span></li></ul></li></ul><p>&nbsp;</p><ul><li><p><span>添加 Hystrix 降级</span></p><ol start='' ><li><span>Zuul默认已经启用 Hystrix</span></li><li><span>实现 FallbackProvider 接口，按zuul的规则实现接口的方法</span></li><li><span>添加 </span><code>@Component</code></li></ol></li></ul><p>&nbsp;</p><ul><li><p><span>Hystrix 限流 - 熔断</span></p><ul><li><p><span>当流量过大，造成后台服务故障，可以断开链路，限制后台服务的访问流量，等待后台服务恢复</span></p></li><li><p><span>断路器打开的条件</span></p><ul><li><span>10秒20次请求（必须首先满足）</span></li><li><span>50%出错，执行降级代码</span></li></ul></li><li><p><span>半开状态</span></p><ul><li><p><span>断路器打开一段时间后，会进入半开状态</span></p></li><li><p><span>会尝试发送一次客户端调用，</span></p><ul><li><span>成功，关闭断路器，恢复正常</span></li><li><span>失败，继续保持打开状态</span></li></ul></li></ul></li></ul></li></ul><p>&nbsp;</p><h1 id='hystrix-dashboard'><span>Hystrix dashboard</span></h1><p><span>Hystrix数据监控仪表盘</span></p><p><span>Hystrix日志，是通过 Actuator 工具来暴露出来</span></p><p>&nbsp;</p><p><strong><span>Actuator</span></strong></p><p><span>springboot 提供的一个项目指标工具，可以通过Actuator获取项目的各种日志数据</span></p><ul><li><span>健康状态</span></li><li><span>spring容器中所有的对象</span></li><li><span>spring mvc映射的所有路径</span></li><li><span>jvm堆内存镜像</span></li><li><span>.....</span></li></ul><p>&nbsp;</p><ul><li><p><span>添加  Actuator</span></p><ol start='' ><li><p><span>添加 actuator 依赖</span></p></li><li><p><span>暴露监控日志</span></p><pre class="md-fences md-end-block ty-contain-cm modeLoaded" spellcheck="false" lang="yml"><div class="CodeMirror cm-s-inner cm-s-null-scroll CodeMirror-wrap" lang="yml"><div style="overflow: hidden; position: relative; width: 3px; height: 0px; top: 9.45833px; left: 7.98611px;"><textarea autocorrect="off" autocapitalize="off" spellcheck="false" tabindex="0" style="position: absolute; bottom: -1em; padding: 0px; width: 1000px; height: 1em; outline: none;"></textarea></div><div class="CodeMirror-scrollbar-filler" cm-not-content="true"></div><div class="CodeMirror-gutter-filler" cm-not-content="true"></div><div class="CodeMirror-scroll" tabindex="-1"><div class="CodeMirror-sizer" style="margin-left: 0px; margin-bottom: 0px; border-right-width: 0px; padding-right: 0px; padding-bottom: 0px;"><div style="position: relative; top: 0px;"><div class="CodeMirror-lines" role="presentation"><div role="presentation" style="position: relative; outline: none;"><div class="CodeMirror-measure"><pre><span>xxxxxxxxxx</span></pre></div><div class="CodeMirror-measure"></div><div style="position: relative; z-index: 1;"></div><div class="CodeMirror-code" role="presentation"><div class="CodeMirror-activeline" style="position: relative;"><div class="CodeMirror-activeline-background CodeMirror-linebackground"></div><div class="CodeMirror-gutter-background CodeMirror-activeline-gutter" style="left: 0px; width: 0px;"></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">m.e.w.e.i= <span class="cm-string">"*"</span>  暴露所有日志</span></pre></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">m.e.w.e.i= health  暴露健康状态日志</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">m.e.w.e.i= health,beans,mappings,hystrix.stream  暴露多种日志</span></pre></div></div></div></div></div><div style="position: absolute; height: 0px; width: 1px; border-bottom: 0px solid transparent; top: 69px;"></div><div class="CodeMirror-gutters" style="display: none; height: 69px;"></div></div></div></pre></li><li><p><span>查看日志</span></p><p><code>http://localhost:3001/actuator</code></p></li></ol></li></ul><p>&nbsp;</p><p><strong><span>搭建 Hystrix dashboard</span></strong></p><ol start='' ><li><p><span>新建模块： sp07-hystrix-dashboard</span></p></li><li><p><span>添加依赖： Hystrix dashboard</span></p></li><li><p><span>yml配置</span></p><pre class="md-fences md-end-block ty-contain-cm modeLoaded" spellcheck="false" lang="yml"><div class="CodeMirror cm-s-inner cm-s-null-scroll CodeMirror-wrap" lang="yml"><div style="overflow: hidden; position: relative; width: 3px; height: 0px; top: 9.45833px; left: 7.98611px;"><textarea autocorrect="off" autocapitalize="off" spellcheck="false" tabindex="0" style="position: absolute; bottom: -1em; padding: 0px; width: 1000px; height: 1em; outline: none;"></textarea></div><div class="CodeMirror-scrollbar-filler" cm-not-content="true"></div><div class="CodeMirror-gutter-filler" cm-not-content="true"></div><div class="CodeMirror-scroll" tabindex="-1"><div class="CodeMirror-sizer" style="margin-left: 0px; margin-bottom: 0px; border-right-width: 0px; padding-right: 0px; padding-bottom: 0px;"><div style="position: relative; top: 0px;"><div class="CodeMirror-lines" role="presentation"><div role="presentation" style="position: relative; outline: none;"><div class="CodeMirror-measure"><pre><span>xxxxxxxxxx</span></pre></div><div class="CodeMirror-measure"></div><div style="position: relative; z-index: 1;"></div><div class="CodeMirror-code" role="presentation"><div class="CodeMirror-activeline" style="position: relative;"><div class="CodeMirror-activeline-background CodeMirror-linebackground"></div><div class="CodeMirror-gutter-background CodeMirror-activeline-gutter" style="left: 0px; width: 0px;"></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-atom">允许抓取的服务器列表</span><span class="cm-meta">: </span>localhost</span></pre></div></div></div></div></div></div><div style="position: absolute; height: 0px; width: 1px; border-bottom: 0px solid transparent; top: 23px;"></div><div class="CodeMirror-gutters" style="display: none; height: 23px;"></div></div></div></pre></li><li><p><span>启动类添加注解： </span><code>@EnableHystrixDashboard</code></p></li><li><p><span>访问 </span><code>http://localhost:4001/hystrix</code></p></li></ol><p>&nbsp;</p><p><strong><span>Turbine</span></strong></p><p><span>聚合多台服务器的日志数据，提供给仪表盘显示</span></p><ol start='' ><li><p><span>新建模块： sp08-turbine</span></p></li><li><p><span>添加依赖</span></p><ul><li><span>eureka client</span></li><li><span>turbine</span></li></ul></li><li><p><span>yml</span></p><pre class="md-fences md-end-block ty-contain-cm modeLoaded" spellcheck="false" lang="yml"><div class="CodeMirror cm-s-inner cm-s-null-scroll CodeMirror-wrap" lang="yml"><div style="overflow: hidden; position: relative; width: 3px; height: 0px; top: 9.45833px; left: 7.98611px;"><textarea autocorrect="off" autocapitalize="off" spellcheck="false" tabindex="0" style="position: absolute; bottom: -1em; padding: 0px; width: 1000px; height: 1em; outline: none;"></textarea></div><div class="CodeMirror-scrollbar-filler" cm-not-content="true"></div><div class="CodeMirror-gutter-filler" cm-not-content="true"></div><div class="CodeMirror-scroll" tabindex="-1"><div class="CodeMirror-sizer" style="margin-left: 0px; margin-bottom: 0px; border-right-width: 0px; padding-right: 0px; padding-bottom: 0px;"><div style="position: relative; top: 0px;"><div class="CodeMirror-lines" role="presentation"><div role="presentation" style="position: relative; outline: none;"><div class="CodeMirror-measure"><pre><span>xxxxxxxxxx</span></pre></div><div class="CodeMirror-measure"></div><div style="position: relative; z-index: 1;"></div><div class="CodeMirror-code" role="presentation"><div class="CodeMirror-activeline" style="position: relative;"><div class="CodeMirror-activeline-background CodeMirror-linebackground"></div><div class="CodeMirror-gutter-background CodeMirror-activeline-gutter" style="left: 0px; width: 0px;"></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">聚合的服务： zuul</span></pre></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">为聚合的日志数据命名：new String(<span class="cm-string">"default"</span>)</span></pre></div></div></div></div></div><div style="position: absolute; height: 0px; width: 1px; border-bottom: 0px solid transparent; top: 46px;"></div><div class="CodeMirror-gutters" style="display: none; height: 46px;"></div></div></div></pre></li><li><p><span>启动类注解：</span><code>@EnableTurbine</code></p></li></ol><p><span>合并的日志地址： </span><code>http://localhost:5001/turbine.stream</code></p><p>&nbsp;</p><h1 id='vmware'><span>VMware</span></h1><ul><li><span>VMware 版本： 16+</span></li></ul><p>&nbsp;</p><ul><li><p><span>NAT网络网段使用 64 网段</span></p><ul><li><span>编辑 -- 虚拟网络编辑器 -- 选择 vmnet8 -- 左下角修改：</span><code>192.168.64.0</code></li></ul></li></ul><p>&nbsp;</p><ul><li><p><span>虚拟机镜像</span></p><ul><li><p><span>课前资料\虚拟机\</span></p><ul><li><span>centos-7-1908.zip</span></li><li><span>centos-8-2105.zip</span></li></ul></li><li><p><span>已经做了几步基础设置：</span></p><ul><li><p><span>yum源和扩展源，使用阿里镜像</span></p></li><li><p><span>安装了工具： python、pip、ansible</span></p></li><li><p><span>方便设置ip地址的脚本：</span></p><ul><li><span>ip-static 设置固定ip</span></li><li><span>ip-dhcp 自动获取ip</span></li></ul></li></ul></li></ul></li><li><p><span>加载虚拟机</span></p><ol start='' ><li><span>解压缩 centos-8-2105.zip</span></li><li><span>双击 centos-8-2105.vmx 加载镜像</span></li><li><span>启动虚拟机，按提示选择“已复制虚拟机”</span></li><li><span>用户名密码都是 </span><code>root</code></li></ol></li></ul><p>&nbsp;</p><p><strong><span>网卡不可用</span></strong></p><pre class="md-fences md-end-block ty-contain-cm modeLoaded" spellcheck="false" lang="shell" style="break-inside: unset;"><div class="CodeMirror cm-s-inner cm-s-null-scroll CodeMirror-wrap" lang="shell"><div style="overflow: hidden; position: relative; width: 3px; height: 0px; top: 9.45833px; left: 7.98611px;"><textarea autocorrect="off" autocapitalize="off" spellcheck="false" tabindex="0" style="position: absolute; bottom: -1em; padding: 0px; width: 1000px; height: 1em; outline: none;"></textarea></div><div class="CodeMirror-scrollbar-filler" cm-not-content="true"></div><div class="CodeMirror-gutter-filler" cm-not-content="true"></div><div class="CodeMirror-scroll" tabindex="-1"><div class="CodeMirror-sizer" style="margin-left: 0px; margin-bottom: 0px; border-right-width: 0px; padding-right: 0px; padding-bottom: 0px;"><div style="position: relative; top: 0px;"><div class="CodeMirror-lines" role="presentation"><div role="presentation" style="position: relative; outline: none;"><div class="CodeMirror-measure"><pre><span>xxxxxxxxxx</span></pre></div><div class="CodeMirror-measure"></div><div style="position: relative; z-index: 1;"></div><div class="CodeMirror-code" role="presentation" style=""><div class="CodeMirror-activeline" style="position: relative;"><div class="CodeMirror-activeline-background CodeMirror-linebackground"></div><div class="CodeMirror-gutter-background CodeMirror-activeline-gutter" style="left: 0px; width: 0px;"></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-comment"># centos 7 禁用 NetworkManager 系统服务</span></span></pre></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">systemctl <span class="cm-builtin">stop</span> NetworkManager</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">systemctl disable NetworkManager</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text="" cm-zwsp="">
</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-comment"># centos 8 开启 VMware 托管</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">nmcli n on</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">systemctl <span class="cm-builtin">restart</span> NetworkManager</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text="" cm-zwsp="">
</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-comment"># 还原 VMware 虚拟网络</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-comment"># VMware 虚拟网络不稳定，经常出现故障</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text="" cm-zwsp="">
</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-comment"># 编辑 -- 虚拟网络编辑器 -- 左下角按钮“还原默认设置” -- 设置 VMnet8 的 64 网段</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text="" cm-zwsp="">
</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-comment"># 会删除所有虚拟网络，重新创建</span></span></pre></div></div></div></div></div><div style="position: absolute; height: 0px; width: 1px; border-bottom: 0px solid transparent; top: 321px;"></div><div class="CodeMirror-gutters" style="display: none; height: 321px;"></div></div></div></pre><p>&nbsp;</p><h1 id='离线安装--docker'><span>离线安装  Docker</span></h1><ol start='' ><li><p><span>上传离线文件到 /root/</span></p><ul><li><span>\DevOps课前资料\docker\docker-install 文件夹</span></li></ul></li><li><p><span>参考笔记，从第三步开始安装</span></p><p><code>https://wanght.blog.csdn.net/article/details/117327543</code></p></li></ol><p>&nbsp;</p><h1 id='配置中心'><span>配置中心 </span></h1><p><strong><span>准备 Git 仓库</span></strong></p><p><span>把 2,3,4 三个项目的配置文件，存放到git仓库</span></p><ol start='' ><li><p><span>在 springcloud1 下新建文件夹： config</span></p></li><li><p><span>把 2,3,4 三个项目的配置文件，复制到 config 目录</span></p><ul><li><span>item-service-dev.yml</span></li><li><span>user-service-dev.yml</span></li><li><span>order-service-dev.yml</span></li></ul></li><li><p><span>添加 </span><code>override-none=true</code><span> 防止配置中心的配置，覆盖本地命令参数</span></p></li><li><p><span>（有仓库的同学不用重复创建）</span></p><ol start='' ><li><span>VCS -- create git repository</span>
        <span>或 double shift，搜索 create git repository</span></li><li><span>选择 springcloud1 工程目录作为仓库目录</span></li><li><span>commit 提交本地仓库，ctrl+k，右上角对勾按钮，double shift搜索commit</span></li><li><span>选择所有文件，填写提交信息，提交</span></li></ol></li><li><p><span>（有仓库的同学不用重复创建）</span>
        <span>在 gitee 点右上角加号新建仓库</span></p><ul><li><span>仓库名称： </span><code>springcloud1</code></li><li><span>设置开源项</span></li></ul></li><li><p><span>ctrl+shift+k，右上角向上箭头按钮，double shift搜索push</span></p></li><li><p><span>push界面，点击 define remore 连接，填写远程仓库地址，完成推送</span></p></li></ol><p>&nbsp;</p><p><strong><span>搭建配置中心服务器</span></strong></p><ol start='' ><li><p><span>新建模块： sp09-config</span></p></li><li><p><span>添加依赖</span></p><ul><li><span>eureka client</span></li><li><span>config server</span></li></ul></li><li><p><span>yml</span></p><ul><li><p><span>仓库的地址</span></p></li><li><p><span>存放配置文件的文件夹路径</span></p></li><li><p><span>之后测试如果有问题，果断换仓库</span></p><pre class="md-fences md-end-block ty-contain-cm modeLoaded" spellcheck="false" lang=""><div class="CodeMirror cm-s-inner cm-s-null-scroll CodeMirror-wrap" lang=""><div style="overflow: hidden; position: relative; width: 3px; height: 0px; top: 9.45833px; left: 7.98611px;"><textarea autocorrect="off" autocapitalize="off" spellcheck="false" tabindex="0" style="position: absolute; bottom: -1em; padding: 0px; width: 1000px; height: 1em; outline: none;"></textarea></div><div class="CodeMirror-scrollbar-filler" cm-not-content="true"></div><div class="CodeMirror-gutter-filler" cm-not-content="true"></div><div class="CodeMirror-scroll" tabindex="-1"><div class="CodeMirror-sizer" style="margin-left: 0px; margin-bottom: 0px; border-right-width: 0px; padding-right: 0px; padding-bottom: 0px;"><div style="position: relative; top: 0px;"><div class="CodeMirror-lines" role="presentation"><div role="presentation" style="position: relative; outline: none;"><div class="CodeMirror-measure"><pre><span>xxxxxxxxxx</span></pre></div><div class="CodeMirror-measure"></div><div style="position: relative; z-index: 1;"></div><div class="CodeMirror-code" role="presentation"><div class="CodeMirror-activeline" style="position: relative;"><div class="CodeMirror-activeline-background CodeMirror-linebackground"></div><div class="CodeMirror-gutter-background CodeMirror-activeline-gutter" style="left: 0px; width: 0px;"></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">https://gitee.com/xyxyxyxyx/springcolud01</span></pre></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text="" cm-zwsp="">
</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">config</span></pre></div></div></div></div></div><div style="position: absolute; height: 0px; width: 1px; border-bottom: 0px solid transparent; top: 69px;"></div><div class="CodeMirror-gutters" style="display: none; height: 69px;"></div></div></div></pre></li></ul></li><li><p><span>启动类注解： </span><code>@EnalbleConfigServer</code></p></li></ol><p>&nbsp;</p><p><strong><span>确认配置中心服务器是否正确</span></strong></p><ol start='' ><li><p><a href='http://eureka1:2001/' target='_blank' class='url'>http://eureka1:2001/</a><span>  检查是否有 </span><code>config-server</code><span> 的注册信息</span></p></li><li><p><span>访问配置中心的配置文件</span></p><ul><li><a href='http://localhost:6001/item-service/dev' target='_blank' class='url'>http://localhost:6001/item-service/dev</a></li><li><a href='http://localhost:6001/user-service/dev' target='_blank' class='url'>http://localhost:6001/user-service/dev</a></li><li><a href='http://localhost:6001/order-service/dev' target='_blank' class='url'>http://localhost:6001/order-service/dev</a></li></ul></li></ol><p>&nbsp;</p><p><strong><span>配置中心的客户端</span></strong></p><ol start='' ><li><p><span>把 2,3,4 的配置文件全部注释掉</span></p></li><li><p><span>添加依赖： config client</span></p></li><li><p><span>新建配置文件： </span><code>bootstrap.yml</code></p></li><li><p><span>添加配置：</span></p><ul><li><span>eureka地址</span></li><li><span>指定配置中心的服务id：</span><code>CONFIG-SERVER</code></li><li><span>指定下载的配置文件和 profile</span></li></ul></li></ol><p><span>确认</span></p><ul><li><span>启动控制台中，要看到连接 6001 的日志</span></li></ul><p>&nbsp;</p><h1 id='rabbitmq'><span>Rabbitmq</span></h1><p><span>消息队列、消息服务、消息中间件、Broker</span></p><ul><li><span>Rabbitmq</span></li><li><span>Activemq</span></li><li><span>Rocketmq 阿里</span></li><li><span>Kafka</span></li><li><span>Tubemq 腾讯</span></li></ul><p>&nbsp;</p><p><strong><span>搭建Rabbitmq服务器</span></strong></p><ol start='' ><li><p><span>克隆 docker-base： rabbitmq</span></p></li><li><p><span>设置ip</span></p><pre class="md-fences md-end-block ty-contain-cm modeLoaded" spellcheck="false" lang="shell"><div class="CodeMirror cm-s-inner cm-s-null-scroll CodeMirror-wrap" lang="shell"><div style="overflow: hidden; position: relative; width: 3px; height: 0px; top: 9.45833px; left: 7.98611px;"><textarea autocorrect="off" autocapitalize="off" spellcheck="false" tabindex="0" style="position: absolute; bottom: -1em; padding: 0px; width: 1000px; height: 1em; outline: none;"></textarea></div><div class="CodeMirror-scrollbar-filler" cm-not-content="true"></div><div class="CodeMirror-gutter-filler" cm-not-content="true"></div><div class="CodeMirror-scroll" tabindex="-1"><div class="CodeMirror-sizer" style="margin-left: 0px; margin-bottom: 0px; border-right-width: 0px; padding-right: 0px; padding-bottom: 0px;"><div style="position: relative; top: 0px;"><div class="CodeMirror-lines" role="presentation"><div role="presentation" style="position: relative; outline: none;"><div class="CodeMirror-measure"><pre><span>xxxxxxxxxx</span></pre></div><div class="CodeMirror-measure"></div><div style="position: relative; z-index: 1;"></div><div class="CodeMirror-code" role="presentation"><div class="CodeMirror-activeline" style="position: relative;"><div class="CodeMirror-activeline-background CodeMirror-linebackground"></div><div class="CodeMirror-gutter-background CodeMirror-activeline-gutter" style="left: 0px; width: 0px;"></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">./ip-static</span></pre></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">ip: <span class="cm-number">192</span>.168.64.140</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text="" cm-zwsp="">
</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">ifconfig</span></pre></div></div></div></div></div><div style="position: absolute; height: 0px; width: 1px; border-bottom: 0px solid transparent; top: 92px;"></div><div class="CodeMirror-gutters" style="display: none; height: 92px;"></div></div></div></pre></li><li><p><span>下载 rabbitmq 镜像</span></p><pre class="md-fences md-end-block ty-contain-cm modeLoaded" spellcheck="false" lang="shell"><div class="CodeMirror cm-s-inner cm-s-null-scroll CodeMirror-wrap" lang="shell"><div style="overflow: hidden; position: relative; width: 3px; height: 0px; top: 9.45833px; left: 7.98611px;"><textarea autocorrect="off" autocapitalize="off" spellcheck="false" tabindex="0" style="position: absolute; bottom: -1em; padding: 0px; width: 1000px; height: 1em; outline: none;"></textarea></div><div class="CodeMirror-scrollbar-filler" cm-not-content="true"></div><div class="CodeMirror-gutter-filler" cm-not-content="true"></div><div class="CodeMirror-scroll" tabindex="-1"><div class="CodeMirror-sizer" style="margin-left: 0px; margin-bottom: 0px; border-right-width: 0px; padding-right: 0px; padding-bottom: 0px;"><div style="position: relative; top: 0px;"><div class="CodeMirror-lines" role="presentation"><div role="presentation" style="position: relative; outline: none;"><div class="CodeMirror-measure"><pre><span>xxxxxxxxxx</span></pre></div><div class="CodeMirror-measure"></div><div style="position: relative; z-index: 1;"></div><div class="CodeMirror-code" role="presentation" style=""><div class="CodeMirror-activeline" style="position: relative;"><div class="CodeMirror-activeline-background CodeMirror-linebackground"></div><div class="CodeMirror-gutter-background CodeMirror-activeline-gutter" style="left: 0px; width: 0px;"></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">docker pull rabbitmq:management</span></pre></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text="" cm-zwsp="">
</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">或者从 code 下载 rabbit-image.gz</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">上传到服务器，然后执行镜像导入</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">docker load <span class="cm-attribute">-i</span> rabbit-image.gz</span></pre></div></div></div></div></div><div style="position: absolute; height: 0px; width: 1px; border-bottom: 0px solid transparent; top: 115px;"></div><div class="CodeMirror-gutters" style="display: none; height: 115px;"></div></div></div></pre></li><li><p><span>启动rabbitmq容器</span></p></li></ol><pre class="md-fences md-end-block ty-contain-cm modeLoaded" spellcheck="false" lang="shell" style="break-inside: unset;"><div class="CodeMirror cm-s-inner cm-s-null-scroll CodeMirror-wrap" lang="shell"><div style="overflow: hidden; position: relative; width: 3px; height: 0px; top: 9.45833px; left: 7.98611px;"><textarea autocorrect="off" autocapitalize="off" spellcheck="false" tabindex="0" style="position: absolute; bottom: -1em; padding: 0px; width: 1000px; height: 1em; outline: none;"></textarea></div><div class="CodeMirror-scrollbar-filler" cm-not-content="true"></div><div class="CodeMirror-gutter-filler" cm-not-content="true"></div><div class="CodeMirror-scroll" tabindex="-1"><div class="CodeMirror-sizer" style="margin-left: 0px; margin-bottom: 0px; border-right-width: 0px; padding-right: 0px; padding-bottom: 0px;"><div style="position: relative; top: 0px;"><div class="CodeMirror-lines" role="presentation"><div role="presentation" style="position: relative; outline: none;"><div class="CodeMirror-measure"><pre><span>xxxxxxxxxx</span></pre></div><div class="CodeMirror-measure"></div><div style="position: relative; z-index: 1;"></div><div class="CodeMirror-code" role="presentation" style=""><div class="CodeMirror-activeline" style="position: relative;"><div class="CodeMirror-activeline-background CodeMirror-linebackground"></div><div class="CodeMirror-gutter-background CodeMirror-activeline-gutter" style="left: 0px; width: 0px;"></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">关闭防火墙</span></pre></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">systemctl <span class="cm-builtin">stop</span> firewalld</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">systemctl disable firewalld</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> </span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">重启 docker 系统服务</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">systemctl <span class="cm-builtin">restart</span> docker</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text="" cm-zwsp="">
</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">mkdir</span> /etc/rabbitmq</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">vim</span> /etc/rabbitmq/rabbitmq.conf</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text="" cm-zwsp="">
</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-comment"># 添加两行配置：</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">default_user <span class="cm-operator">=</span> admin</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">default_pass <span class="cm-operator">=</span> admin</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text="" cm-zwsp="">
</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">docker run <span class="cm-attribute">-d</span> <span class="cm-attribute">--name</span> rabbit \</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-attribute">-p</span> <span class="cm-number">5672</span>:5672 \</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-attribute">-p</span> <span class="cm-number">15672</span>:15672 \</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-attribute">-v</span> /etc/rabbitmq/rabbitmq.conf:/etc/rabbitmq/rabbitmq.conf \</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-attribute">-e</span> <span class="cm-def">RABBITMQ_CONFIG_FILE</span><span class="cm-operator">=</span>/etc/rabbitmq/rabbitmq.conf \</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">rabbitmq:management</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text="" cm-zwsp="">
</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">访问管理控制台 http://192.168.64.140:15672</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">用户名密码是 admin</span></pre></div></div></div></div></div><div style="position: absolute; height: 0px; width: 1px; border-bottom: 0px solid transparent; top: 527px;"></div><div class="CodeMirror-gutters" style="display: none; height: 527px;"></div></div></div></pre><p>&nbsp;</p><h1 id='bus-配置刷新'><span>Bus 配置刷新</span></h1><p><img src="note.assets/image-20211022163759194.png" referrerpolicy="no-referrer" alt="image-20211022163759194"></p><ol><li><p><span>修改 2,3,4,9 添加依赖</span></p><ul><li><span>Bus</span></li><li><span>Rabbitmq</span></li><li><span>binder-rabbit</span></li></ul></li><li><p><span>09添加依赖： actuator</span></p></li><li><p><span>09的yml配置：</span></p><ul><li><p><span>暴露 bus-refresh：</span></p><p><code>m.e.w.e.i=bus-refresh</code></p></li><li><p><span>rabbitmq连接</span></p></li></ul></li><li><p><span>修改 2,3,4 的yml 配置，修改 config 目录的三个文件并提交</span></p><ul><li><span>rabbitmq连接</span></li></ul></li></ol><p>&nbsp;</p><p><strong><span>启动项目测试</span></strong></p><ol><li><span>启动5，耐心等待完全启动完成</span></li><li><span>启动9，耐心等待完全启动完成</span></li><li><span>--------- </span><a href='http://eureka1:2001' target='_blank' class='url'>http://eureka1:2001</a><span> 注册表中存在 config-server</span>
        <a href='http://localhost:6001/item-service/dev' target='_blank' class='url'>http://localhost:6001/item-service/dev</a>
        <a href='http://localhost:6001/user-service/dev' target='_blank' class='url'>http://localhost:6001/user-service/dev</a>
        <a href='http://localhost:6001/order-service/dev' target='_blank' class='url'>http://localhost:6001/order-service/dev</a></li><li><span>启动 2,3</span></li><li><span>启动 4</span></li><li><span>--------- 查看 2,3,4 的控制台，要看到连接 6001</span></li><li><span>启动6</span></li><li><span>--------- </span><a href='http://localhost:6001/actuator' target='_blank' class='url'>http://localhost:6001/actuator</a><span>  这里面要看到 bus-refresh</span></li><li><span>使用 postman 向 </span><code>http://localhost:6001/actuator/bus-refresh</code><span> 提交 post 请求</span></li><li><span>观察 2,3,4 的控制台，要看到重新连接 6001 刷新配置的日志</span></li></ol><p>&nbsp;</p><p><strong><span>把刷新到的配置信息，重新注入到对象中</span></strong></p><p><code>@RefreshScope</code><span> </span></p><p><span>在需要重新注入配置数据的对象上添加这个注解，刷新的配置才能重新注入到对象中；</span></p><p><span>如果加这个注解，即使刷新到新配置，也不会重新向对象注入</span></p><p>&nbsp;</p><h1 id='链路跟踪'><span>链路跟踪</span></h1><ul><li><p><span>sleuth</span></p><p><span>产生链路跟踪日志</span></p></li><li><p><span>zipkin</span></p><p><span>日志的可视化</span></p></li></ul><p>&nbsp;</p><p><strong><span>sleuth</span></strong></p><p><span>A --&gt; B --&gt; C --&gt; D</span></p><p>&nbsp;</p><p><span>A,  U5HG4HG456UYU, U5HG4HG456UYU, true</span></p><p><span>B,  U5HG4HG456UYU, O7IUYH45TY34Y45, true</span></p><p><span>C,  U5HG4HG456UYU, U56YU4Y344U456, true</span></p><p><span>D,  U5HG4HG456UYU, 34T345Y456U56U5, true</span></p><p>&nbsp;</p><p><strong><span>修改 2,3,4,6 添加 sleuth 产生链路跟踪日志</span></strong></p><ul><li><span>只需要添加 sleuth 依赖</span></li><li><span>sleuth 是自动配置，不需要添加任何其他配置</span></li></ul><p>&nbsp;</p><p><strong><span>2,3,4,6 向rabbitmq 发送日志数据</span></strong></p><ol><li><span>添加 zipkin 客户端依赖</span></li><li><span>在 06 添加 rabbitmq 依赖</span></li><li><span>yml 配置发送方式： </span><code>rabbit</code></li><li><span>修改 06的yml，添加 rabbitmq 连接配置</span></li></ol><p>&nbsp;</p><p><strong><span>起动zipkin服务器</span></strong></p><pre lang="shell" spellcheck="false" class="md-fences md-end-block ty-contain-cm modeLoaded"><div class="CodeMirror cm-s-inner cm-s-null-scroll CodeMirror-wrap" lang="shell"><div style="overflow: hidden; position: relative; width: 3px; height: 0px; top: 9.45833px; left: 7.98611px;"><textarea autocorrect="off" autocapitalize="off" spellcheck="false" tabindex="0" style="position: absolute; bottom: -1em; padding: 0px; width: 1000px; height: 1em; outline: none;"></textarea></div><div class="CodeMirror-scrollbar-filler" cm-not-content="true"></div><div class="CodeMirror-gutter-filler" cm-not-content="true"></div><div class="CodeMirror-scroll" tabindex="-1"><div class="CodeMirror-sizer" style="margin-left: 0px; margin-bottom: 0px; border-right-width: 0px; padding-right: 0px; padding-bottom: 0px;"><div style="position: relative; top: 0px;"><div class="CodeMirror-lines" role="presentation"><div role="presentation" style="position: relative; outline: none;"><div class="CodeMirror-measure"><pre>x</pre></div><div class="CodeMirror-measure"></div><div style="position: relative; z-index: 1;"></div><div class="CodeMirror-code" role="presentation" style=""><div class="CodeMirror-activeline" style="position: relative;"><div class="CodeMirror-activeline-background CodeMirror-linebackground"></div><div class="CodeMirror-gutter-background CodeMirror-activeline-gutter" style="left: 0px; width: 0px;"></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-comment"># 使用 140 服务器，没有 virtual host</span></span></pre></div><div class="" style="position: relative;"><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">java <span class="cm-attribute">-jar</span> zipkin-server-2.23.4-exec.jar <span class="cm-attribute">--</span></span></pre></div><div class="" style="position: relative;"><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">zipkin.collector.rabbitmq<span class="cm-def">.uri</span><span class="cm-operator">=</span>amqp://admin:admin@192.168.64.140:5672</span></pre></div><div class="" style="position: relative;"><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text="" cm-zwsp="">
</span></span></pre></div><div class="" style="position: relative;"><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-comment"># 使用 140 服务器，有 virtual host</span></span></pre></div><div class="" style="position: relative;"><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">java <span class="cm-attribute">-jar</span> zipkin-server-2.23.4-exec.jar <span class="cm-attribute">--zipkin</span>.collector.rabbitmq<span class="cm-def">.uri</span><span class="cm-operator">=</span>amqp://admin:admin@192.168.64.140:5672/vh0</span></pre></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text="" cm-zwsp="">
</span></span></pre><div class="" style="position: relative;"><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-comment"># 使用我的服务器，有 virtual host</span></span></pre></div><div class="" style="position: relative;"><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">java <span class="cm-attribute">-jar</span> zipkin-server-2.23.4-exec.jar <span class="cm-attribute">--zipkin</span>.collector.rabbitmq<span class="cm-def">.uri</span><span class="cm-operator">=</span>amqp://admin:admin@wht6.cn:5672/vh0</span></pre></div></div></div></div></div></div><div style="position: absolute; height: 0px; width: 1px; border-bottom: 0px solid transparent; top: 252px;"></div><div class="CodeMirror-gutters" style="display: none; height: 252px;"></div></div></div></pre><p>&nbsp;</p><h1 id='向注册中心注册时选择正确网卡注册ip地址'><span>向注册中心注册时，选择正确网卡，注册ip地址</span></h1><p><strong><span>选择正确网卡</span></strong></p><p><span>bootstrap.yml</span></p><pre lang="yml" spellcheck="false" class="md-fences md-end-block ty-contain-cm modeLoaded"><div class="CodeMirror cm-s-inner cm-s-null-scroll CodeMirror-wrap" lang="yml"><div style="overflow: hidden; position: relative; width: 3px; height: 0px; top: 9.45833px; left: 7.98611px;"><textarea autocorrect="off" autocapitalize="off" spellcheck="false" tabindex="0" style="position: absolute; bottom: -1em; padding: 0px; width: 1000px; height: 1em; outline: none;"></textarea></div><div class="CodeMirror-scrollbar-filler" cm-not-content="true"></div><div class="CodeMirror-gutter-filler" cm-not-content="true"></div><div class="CodeMirror-scroll" tabindex="-1"><div class="CodeMirror-sizer" style="margin-left: 0px; margin-bottom: 0px; border-right-width: 0px; padding-right: 0px; padding-bottom: 0px;"><div style="position: relative; top: 0px;"><div class="CodeMirror-lines" role="presentation"><div role="presentation" style="position: relative; outline: none;"><div class="CodeMirror-measure"><pre>x</pre></div><div class="CodeMirror-measure"></div><div style="position: relative; z-index: 1;"></div><div class="CodeMirror-code" role="presentation" style=""><div class="CodeMirror-activeline" style="position: relative;"><div class="CodeMirror-activeline-background CodeMirror-linebackground"></div><div class="CodeMirror-gutter-background CodeMirror-activeline-gutter" style="left: 0px; width: 0px;"></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-atom">spring</span><span class="cm-meta">:</span></span></pre></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-atom">  cloud</span><span class="cm-meta">:</span></span></pre><div class="" style="position: relative;"><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-atom"> &nbsp;  inetutils</span><span class="cm-meta">:</span></span></pre></div><div class="" style="position: relative;"><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-atom"> &nbsp; &nbsp;  ignored-interfaces</span><span class="cm-meta">: </span><span class="cm-comment"># 忽略的网卡</span></span></pre></div><div class="" style="position: relative;"><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-meta"> &nbsp; &nbsp; &nbsp;  - </span>VM.*</span></pre></div><div class="" style="position: relative;"><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-atom"> &nbsp; &nbsp;  preferred-networks</span><span class="cm-meta">: </span><span class="cm-comment"># 要是用的网卡的网段</span></span></pre></div><div class="" style="position: relative;"><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-meta"> &nbsp; &nbsp; &nbsp;  - </span>192\.168\.0\..+</span></pre></div></div></div></div></div></div><div style="position: absolute; height: 0px; width: 1px; border-bottom: 0px solid transparent; top: 160px;"></div><div class="CodeMirror-gutters" style="display: none; height: 160px;"></div></div></div></pre><p>&nbsp;</p><p><strong><span>注册ip地址，而不注册主机名</span></strong></p><p><span>application.yml</span></p><pre lang="yml" spellcheck="false" class="md-fences md-end-block ty-contain-cm modeLoaded"><div class="CodeMirror cm-s-inner cm-s-null-scroll CodeMirror-wrap" lang="yml"><div style="overflow: hidden; position: relative; width: 3px; height: 0px; top: 9.45833px; left: 7.98611px;"><textarea autocorrect="off" autocapitalize="off" spellcheck="false" tabindex="0" style="position: absolute; bottom: -1em; padding: 0px; width: 1000px; height: 1em; outline: none;"></textarea></div><div class="CodeMirror-scrollbar-filler" cm-not-content="true"></div><div class="CodeMirror-gutter-filler" cm-not-content="true"></div><div class="CodeMirror-scroll" tabindex="-1"><div class="CodeMirror-sizer" style="margin-left: 0px; margin-bottom: 0px; border-right-width: 0px; padding-right: 0px; padding-bottom: 0px;"><div style="position: relative; top: 0px;"><div class="CodeMirror-lines" role="presentation"><div role="presentation" style="position: relative; outline: none;"><div class="CodeMirror-measure"><pre>x</pre></div><div class="CodeMirror-measure"></div><div style="position: relative; z-index: 1;"></div><div class="CodeMirror-code" role="presentation"><div class="CodeMirror-activeline" style="position: relative;"><div class="CodeMirror-activeline-background CodeMirror-linebackground"></div><div class="CodeMirror-gutter-background CodeMirror-activeline-gutter" style="left: 0px; width: 0px;"></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-atom">eureka</span><span class="cm-meta">:</span></span></pre></div><div class="" style="position: relative;"><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-atom">  instance</span><span class="cm-meta">:</span></span></pre></div><div class="" style="position: relative;"><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-atom"> &nbsp;  prefer-ip-address</span><span class="cm-meta">: </span>true <span class="cm-comment"># 使用ip进行注册</span></span></pre></div><div class="" style="position: relative;"><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-atom"> &nbsp;  instance-id</span><span class="cm-meta">: &nbsp;</span>$<span class="cm-meta">{</span>spring.cloud.client.ip-address<span class="cm-meta">}:</span>$<span class="cm-meta">{</span>spring.application.name<span class="cm-meta">}:</span>$<span class="cm-meta">{</span>server.port<span class="cm-meta">}</span> <span class="cm-comment"># ip:服务id:端口</span></span></pre></div></div></div></div></div></div><div style="position: absolute; height: 0px; width: 1px; border-bottom: 0px solid transparent; top: 115px;"></div><div class="CodeMirror-gutters" style="display: none; height: 115px;"></div></div></div></pre><p>&nbsp;</p><p>&nbsp;</p><h1 id='订单流量削峰'><span>订单流量削峰</span></h1><p><strong><span>导入项目</span></strong></p><ol><li><span>课前资料\elasticsearch\pd-商城项目案例.zip</span>
        <span>压缩文件\pd\pd-web 文件夹，解压到 rabbitmq 工程目录</span></li><li><span>pd-web\pom.xml 鼠标拖拽到 idea，springboot 版本改成 2.3.2.RELEASE</span></li><li><span>pom.xml编辑器中，右键--add as maven project， 导入 pd-web 模块</span></li></ol><p>&nbsp;</p><p><strong><span>导入数据库</span></strong></p><ol><li><p><span>sqlyog， 右键点连接， 从 sql 转储文件导入，选择 pd-web 目录中的 pd.sql</span></p></li><li><p><span>如果导入失败，可以增大 mysql 缓存大小</span></p><pre lang="shell" spellcheck="false" class="md-fences md-end-block ty-contain-cm modeLoaded"><div class="CodeMirror cm-s-inner cm-s-null-scroll CodeMirror-wrap" lang="shell"><div style="overflow: hidden; position: relative; width: 3px; height: 0px; top: 9.45833px; left: 7.98611px;"><textarea autocorrect="off" autocapitalize="off" spellcheck="false" tabindex="0" style="position: absolute; bottom: -1em; padding: 0px; width: 1000px; height: 1em; outline: none;"></textarea></div><div class="CodeMirror-scrollbar-filler" cm-not-content="true"></div><div class="CodeMirror-gutter-filler" cm-not-content="true"></div><div class="CodeMirror-scroll" tabindex="-1"><div class="CodeMirror-sizer" style="margin-left: 0px; margin-bottom: 0px; border-right-width: 0px; padding-right: 0px; padding-bottom: 0px;"><div style="position: relative; top: 0px;"><div class="CodeMirror-lines" role="presentation"><div role="presentation" style="position: relative; outline: none;"><div class="CodeMirror-measure"><pre>x</pre></div><div class="CodeMirror-measure"></div><div style="position: relative; z-index: 1;"></div><div class="CodeMirror-code" role="presentation" style=""><div class="CodeMirror-activeline" style="position: relative;"><div class="CodeMirror-activeline-background CodeMirror-linebackground"></div><div class="CodeMirror-gutter-background CodeMirror-activeline-gutter" style="left: 0px; width: 0px;"></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">如果导入失败，可以增大 mysql 缓存区</span></pre></div><div class="" style="position: relative;"><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-keyword">set</span> global <span class="cm-def">max_allowed_packet</span><span class="cm-operator">=</span><span class="cm-number">100000000</span>;</span></pre></div><div class="" style="position: relative;"><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-keyword">set</span> global <span class="cm-def">net_buffer_length</span><span class="cm-operator">=</span><span class="cm-number">100000</span>;</span></pre></div><div class="" style="position: relative;"><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">SET GLOBAL &nbsp;<span class="cm-def">interactive_timeout</span><span class="cm-operator">=</span><span class="cm-number">28800000</span>;</span></pre></div><div class="" style="position: relative;"><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">SET GLOBAL &nbsp;<span class="cm-def">wait_timeout</span><span class="cm-operator">=</span><span class="cm-number">28800000</span></span></pre></div></div></div></div></div></div><div style="position: absolute; height: 0px; width: 1px; border-bottom: 0px solid transparent; top: 115px;"></div><div class="CodeMirror-gutters" style="display: none; height: 115px;"></div></div></div></pre><p>&nbsp;</p></li></ol><p><strong><span>启动项目测试</span></strong></p><ol><li><p><span>application.yml</span></p><p><span>修改数据库连接的密码</span></p></li><li><p><span>右键点击 RunPDApp --- run</span></p></li><li><p><span>修改启动配置，working directory 设置成 pd-web 模块文件夹的路径</span></p></li><li><p><span>重启项目</span></p></li><li><p><span>访问 </span><a href='http://localhost' target='_blank' class='url'>http://localhost</a></p></li></ol><p>&nbsp;</p><p><strong><span>测试现有订单系统</span></strong></p><ol><li><p><span>删除数据库中的所有注册用户和订单</span></p><pre lang="sql" spellcheck="false" class="md-fences md-end-block ty-contain-cm modeLoaded"><div class="CodeMirror cm-s-inner cm-s-null-scroll CodeMirror-wrap" lang="sql"><div style="overflow: hidden; position: relative; width: 3px; height: 0px; top: 9.45833px; left: 7.98611px;"><textarea autocorrect="off" autocapitalize="off" spellcheck="false" tabindex="0" style="position: absolute; bottom: -1em; padding: 0px; width: 1000px; height: 1em; outline: none;"></textarea></div><div class="CodeMirror-scrollbar-filler" cm-not-content="true"></div><div class="CodeMirror-gutter-filler" cm-not-content="true"></div><div class="CodeMirror-scroll" tabindex="-1"><div class="CodeMirror-sizer" style="margin-left: 0px; margin-bottom: 0px; border-right-width: 0px; padding-right: 0px; padding-bottom: 0px;"><div style="position: relative; top: 0px;"><div class="CodeMirror-lines" role="presentation"><div role="presentation" style="position: relative; outline: none;"><div class="CodeMirror-measure"><pre>x</pre></div><div class="CodeMirror-measure"></div><div style="position: relative; z-index: 1;"></div><div class="CodeMirror-code" role="presentation" style=""><div class="CodeMirror-activeline" style="position: relative;"><div class="CodeMirror-activeline-background CodeMirror-linebackground"></div><div class="CodeMirror-gutter-background CodeMirror-activeline-gutter" style="left: 0px; width: 0px;"></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-keyword">delete</span> <span class="cm-keyword">from</span> pd_user<span class="cm-punctuation">;</span></span></pre></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text="" cm-zwsp="">
</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-keyword">delete</span> <span class="cm-keyword">from</span> pd_order<span class="cm-punctuation">;</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text="" cm-zwsp="">
</span></span></pre><div class="" style="position: relative;"><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-keyword">delete</span> <span class="cm-keyword">from</span> pd_order_item<span class="cm-punctuation">;</span></span></pre></div></div></div></div></div></div><div style="position: absolute; height: 0px; width: 1px; border-bottom: 0px solid transparent; top: 115px;"></div><div class="CodeMirror-gutters" style="display: none; height: 115px;"></div></div></div></pre></li><li><p><span>点右上角，登录，注册新用户</span></p></li><li><p>&nbsp;</p></li></ol><p>&nbsp;</p><p>&nbsp;</p></div></div>
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